Looking for logging into the Udacity Sign Up site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Udacity Sign Up site. After that you can login as usual with your login credentials.
https://auth.udacity.com/sign-up
https://auth.udacity.com/sign-in
https://in.udacity.com/referral-pre-signup
https://www.udacity.com/feedback/signup
https://eu.udacity.com/
https://www.udacity.com/
https://in.udacity.com/
https://www.class-central.com/help/sign-up-udacity
https://www.linkedin.com/school/udacity/
https://github.com/udacity
https://twitter.com/udacity
https://hackernoon.com/coursera-vs-udacity-for-machine-learning-f9c0d464a0eb
https://udacity.zendesk.com/hc/en-us